阅读短文并根据短文内容完成表格。(每空一词)
What does a policeman usually do? It is not an easy job to describe. After all, a policeman has a number of jobs in one. A policeman often has to control (控制) traffic, either on foot in the center of a town, or in a police car on the roads. In Britain, he might be in the Traffic Police and spend most of his time driving up and down main roads and motorways. A traffic policeman has to help keep the traffic moving and help when there is an accident.
　　A policeman has to keep peace, too. If there is a fight or some other disturbance, the police can come and restore order. And they often have to deal with situation at great risk（冒险） to their own safety.
　　We expect the police to solve crime, of course, so an ordinary policeman, even if he is not a detective (侦探), will have to help look for the criminals at times.
　　And who do we call when there is an emergency (紧急情况)---an crash, a fire, a road accident, or a robbery? We call the police. So a policeman has to be prepared to face any unpleasant emergency that may happen in the modern world.
The police do an necessary job, they do it very well and I support them, but I do not think that I could ever do the job of a policeman.
Different Roles of the Police

Different situations	◆ An ordinary policeman needs to do several____76____.
About traffic	◆ A policeman has to ____77____ or drive around the whole city to watch the traffic on the roads. For example, a ___78____ policeman spends most time___79___ on the road.
About order	◆ The police are ___80____ to restore order to try to make the public even ____81____ although they may be in danger.
About crime	◆ ____82____, a policeman will act as a detective to search for the criminal.
About ___83____	◆ In case of a fire, a crash or an accident, ____84____the police to deal with them becomes people’s first choice.
Final comments (评论)	◆ The police do lots of small things we think in our daily life, but we should thank them. We may meet a lot of trouble ____85____ them.